Before Firefox 4, there will be at least two more betas, a release candidate, and some compatibility match-ups with Firefox Portable, a.k.a. Fennec, according to Mozilla's meeting notes. To accommodate a change to the Sync system, the next Firefox 4 beta, number 8, will ship on Dec. 7, along with a new Firefox Portable beta. What feature are you most looking forward to having in a stable Firefox 4? [ZDNet]